{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{1}{ccccc}}
\hline\hline
                    &           N&        mean&          sd&         min&         max\\
\hline
boardmafioso        &            &       0.078&       0.268&       0.000&       1.000\\
BoD 64+ old         &            &       0.206&       0.405&       0.000&       1.000\\
BoD concentration   &            &       0.366&       0.326&       0.003&       1.000\\
\hline
Observations        &       20182&            &            &            &            \\
\hline\hline
\end{tabular}
}
